Re: 3.14.3-rt5: at91: Crash early at boot

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* Maxime Ripard | 2014-06-13 16:25:06 [+0200]:

>Preemptible hierarchical RCU implementation.
>NR_IRQS:16 nr_irqs:16 16
>Unable to handle kernel NULL pointer dereference at virtual address 00000000
>pgd = c0004000
>[00000000] *pgd=00000000
>Internal error: Oops: 5 [#1] PREEMPT ARM
>Modules linked in:
>CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.3-rt4+ #11
>task: c05ecb28 ti: c05e2000 task.ti: c05e2000
>PC is at wake_up_process+0x8/0x40
>LR is at kthread_create_on_node+0xb0/0x178
…
>Do you know what could be the cause of this, or is this any known issue?

No. This is very early in the boot process. I upgrade the at91's timer
patches but have no HW to actually check if this is still working.

>
>Thanks,
>Maxime
>

Sebastian
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